55222651 has 8 divisors (see below), whose sum is σ = 60357744. Its totient is φ = 50106720.

The previous prime is 55222649. The next prime is 55222669. The reversal of 55222651 is 15622255.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 55222651 - 2¹ = 55222649 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (55222691) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1621 + ... + 10633.

It is an arithmetic number, because the mean of its divisors is an integer number (7544718).

Almost surely, 2^55222651 is an apocalyptic number.

55222651 is a deficient number, since it is larger than the sum of its proper divisors (5135093).

55222651 is a wasteful number, since it uses less digits than its factorization.

55222651 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9581.

The product of its digits is 6000, while the sum is 28.

The square root of 55222651 is about 7431.1944531145. The cubic root of 55222651 is about 380.8077255622.

The spelling of 55222651 in words is "fifty-five million, two hundred twenty-two thousand, six hundred fifty-one".